21220836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19433}}^1$

素因数の和:19460

約数の個数: 48

約数和(自身を含む): 60945024

約数和(自身を除く): 39724188

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19433, 38866, 58299, 77732, 116598, 136031, 233196, 252629, 272062, 408093, 505258, 544124, 757887, 816186, 1010516, 1515774, 1632372, 1768403, 3031548, 3536806, 5305209, 7073612, 10610418, 21220836]

約数ペア:

[(1, 21220836), (2, 10610418), (3, 7073612), (4, 5305209), (6, 3536806), (7, 3031548), (12, 1768403), (13, 1632372), (14, 1515774), (21, 1010516), (26, 816186), (28, 757887), (39, 544124), (42, 505258), (52, 408093), (78, 272062), (84, 252629), (91, 233196), (156, 136031), (182, 116598), (273, 77732), (364, 58299), (546, 38866), (1092, 19433)]